I have no experience with ExpressVPN, so I can't help you with that.
But in a vlog I've watched on Youtube, the host of that vlog said "Over the last coupe of days, ALL the VPN is been very difficult to use". So, I guess that includes ExpressVPN.
Here is the video if you interested: https://www.youtube.com/watch?v=EuEdYvQmVFg (5:20)